6/18/2015STScI-2015-2062.Hubble Sees the 'Teenage Years' of Quasars
Quasars are the light fantastic. They are the brightest beacons in the universe, blazing across space with the intrinsic brightness of one trillion suns. Yet the objects... (More)

6/10/2015STScI-2015-2364.Lonely Galaxy 'Lost in Space'
This magnificent spiral galaxy is at the edge of what astronomers call the Local Void. The Local Void is a huge volume of space that is at least 150 million light-years across that doesn't... (More)

5/14/2015STScI-2015-1668.Hubble Catches a Stellar Exodus in Action
Globular star clusters are isolated star cities, home to hundreds of thousands of stars. And like the fast pace of cities, there's plenty of action in these stellar metropolises. (More)

5/5/2015STScI-2015-2270.Astronomers Set a New Galaxy Distance Record
The universe is incredibly big. But how do astronomers know that? Billion-mile-long tape measures can't be found at the hardware store. Instead, astronomers use the expansion... (More)